1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
riadik2000 [5.3K]
3 years ago
5

Blank of water is a physical change because boiling the water is blank from a liquid to a gas

Chemistry
2 answers:
Katarina [22]3 years ago
4 0

The first blank is evaporation and the second blank is changing.

stich3 [128]3 years ago
4 0

The answer to the first blank is boiling.  The answer to the second blank is changing.

You might be interested in
What is the percent composition of carbon in heptane c7h16
Gnom [1K]

Answer: the percent composition of carbon in heptane is 83.9%

Explanation:

<u>1) Atomic masses of the atoms:</u>

  • C: 12.01 g/mol
  • H: 1.008 g/mol

<u>2) Molar mass of heptane:</u>

  • C₇H₁₆: 7 × 12.01 g/mol + 16×1.008 g/mol = 100.2 g/mol

<u>3) Mass of carbon in one mole of heptane:</u>

  • C₇: 7 × 12.01 g/mol = 84.07 g/mol

<u>3) Percent composition of carbon:</u>

  • % = (mass in grams of C) / (mass in grams of C₇H₁₆) × 100 =

           = (84.07 g/ 100.2 g) × 100 = 83.9% ← answer

8 0
3 years ago
What is the hydrogen-ion concentration of the ph is 3.7
Komok [63]

Answer:

the answer 37

Explanation:

4 0
3 years ago
What is the volume of 3.00 mole of ideal gas at 100.0 C and 2.00 kPa
Novosadov [1.4K]

Answer:

The volume for the ideal gas is: 4647.5 Liters

Explanation:

Formula for the Ideal Gases Law must be applied to solve this question:

P . V = n .  R . T

We convert the T° to K → 100°C + 273 = 373 K

We convert pressure value from kPa to atm.

2 kPa . 1atm/101.3 kPa = 0.0197 atm

We replace data in the formula.

V = ( n . R . T) / P → (3 mol . 0.082 . 373K) / 0.0197 atm =

The volume for the ideal gas is: 4647.5 Liters

8 0
3 years ago
Identify if the following are chemical or physical properties: "CP" for
mel-nik [20]

Answer:

1.pp

2.cp

3.pp

4.pp

5.pp

6.pp

8 0
3 years ago
The table shows the number of charged subatomic particles in an ion. Charge on Particle
katovenus [111]

Answer:

the answer is C) the iron will repel the substance because it has more electrons than protons

8 0
3 years ago
Other questions:
  • What exponent should you use to represent one hundred thousand?
    6·1 answer
  • What is the symbol, atomic number, atomic mass, # of protons, # of neutrons, # of electrons, ion charge for the beryllium ion?
    8·1 answer
  • What is elastic energy? list two examples of where it is found?
    12·2 answers
  • PLEASE HELP AND THANKS
    6·1 answer
  • 1.While cooking, if the bottom of the vessel is getting blackened on the outside.
    5·1 answer
  • What type of variable should there only be one of in an experiment? A) dependent B) independent C) control D) responding​
    8·1 answer
  • Please help me out i don’t get this. what is the answers to 1-4.
    5·1 answer
  • Can someone help me with number 1 and 2 plz!
    8·1 answer
  • When the potential difference across a lamp is 3.3V the current is 0.15 calculate the resistance of the lamp and give the unit
    8·1 answer
  • What pressure is exerted by 0.883 mol N, in a 4.68 L steel container at 197.9 °C?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!